Hollow-cathode He-Cd+ multi-color laser: a spectroscopic investigation on the laser emission

P. Ramalingam; C. Grey Morgan; Helmut H. Telle

doi:10.1117/12.328734

4 December 1998 Hollow-cathode He-Cd⁺ multicolor laser: a spectroscopic investigation of the laser emissions

P. Ramalingam; C. Grey Morgan; Helmut H. Telle

Author Affiliations +

Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328734
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

A single gun He-Cd⁺ laser utilizes a He-Cd mixture as a laser medium and oscillates at seven spectral lines of three primary colors emitted from excited Cd⁺ simultaneously. Because the powers at the three primary colors are balanced, the composite output beam appears white. Hence the name `white light laser'. White light lasers have various applicability in the fields of science and technology such as medical diagnostics and surgery, photochemistry and isotope separation as an energy source, and for color display, color holography, color printers as a light source. In this report, we present conclusive evidence about the population mechanisms to produce excited Cd ions, especially for the green laser lines.

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P. Ramalingam, P. Ramalingam, C. Grey Morgan, C. Grey Morgan, Helmut H. Telle, Helmut H. Telle, } "Hollow-cathode He-Cd⁺ multicolor laser: a spectroscopic investigation of the laser emissions", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); doi: 10.1117/12.328734; https://doi.org/10.1117/12.328734

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